Beacons are small and wireless high-tech devices, and we're excited to tell you all about them! A Bluetooth beacon is a small wireless devic e that works based on Bluetooth Low Energy. Instead of emitting visible light, though, it broadcasts a radio signal that is made up of a combination of letters and numbers transmitted on short, regular intervals.
On the way to the hotel, you arrive at a big train station. The station is huge, and you have no idea where to go. How can you get directions that are reliable, clear, and in a language you understand? Luckily, the train station owner planned for problems just like this. You see a sign indicating that the train station has an app. You download it. A beacon placed on the wall sends out a continuous signal, and, once you activate the app, you're able to make use out of it.
The app takes the beacon ID and checks what information is paired with that particular beacon. It recognizes that you are standing in front of the donut shop by Gate You enter your destination, and the app generates a clear map to show you the way there. When you turn down the wrong path, it redirects you. Since you have plenty of time, the app also lets you know that the coffee shop to your left has a special deal going on.
The app tells you all the train schedules and delays for the station. The complete guide to selecting Bluetooth Low Energy hardware for your project. What do they look like? Beacons are very small, simple devices. If you crack one open, you won't find thirty motherboards and oodles of wires. You'll find a CPU, radio, and batteries. Beacons often use small lithium chip batteries smaller and more powerful than AA batteries or run via connected power like USB plugs. They come in different shapes and colors, may include accelerometers, temperature sensors, or unique add-ons but all of them have one thing in common—they transmit a signal.
How can I interact with beacons? For example, when a shopping mall installs beacons in their shop, all of the beacons will have certain IDs, registered in their dedicated app. The ID, however, has little meaning on its own; it's entirely up to an app or other program to recognize what it means.
What happens next? That depends on what the owner has programmed it to do. One code could trigger the app to send a coupon. Another could offer navigation services. The possibilities are nearly endless. All the beacon has to do is connect your exact location to the app, and the rest is up to the program. Although the terms are often mixed and used interchangeably, understanding whether you need beacons or tags is helpful when doing your product research or communicating your expectations during talks with vendors.
This means you can technically buy a beacon product and, as long as it meets your requirements, use it as a tag or vice versa. The two terms are not used to describe two different technologies, but rather two applications of one technology. Stationary beacon-based and on-the-move tag-based deployments work a bit differently, so we believe distinguishing the names of devices helps avoid confusion when talking about different use cases.
Traditional use cases for this setup are: occupancy monitoring, environmental monitoring, proximity notifications, indoor wayfinding, loyalty programs. Let's take indoor wayfinding as an example, in this case the receiver of the beacon signal will be usually the mobile phone of your customer.
When in range of a beacon, it will pick up the signal and relay it to the application installed on it. The application will read the beacon data, see what action is assigned to this data, and perform the action. The action can be simple: showing a notification about the sales of the product the user is standing next to or displaying in-app content with a detailed description of a nearby-exhibit in a museum.
When assets are on the move, the receiver must be still. Usually, this device is a gateway or access point and its job is to relay the collected data to the cloud or local server. Why is it so important now? Bluetooth provides the infrastructure for the entire beacon ecosystem. This is why beacon hardware can be simple. There is already a web of Bluetooth around you that can connect beacons and smart devices and almost anything else.
It's a power-efficient version of Bluetooth originally introduced in BLE's low energy needs are vital to beacons, as it allows them to run for years on tiny coin-cell batteries. It also consumes far less energy than the old and clunky Bluetooth. Beacon hardwar e is relatively simple, but the way it triggers actions can get a little complicated. Every system is a little different, but here's how a beacon communicates, in a nutshell:. The beacon sends out its ID numbers about ten times every second sometimes more, sometimes less, depending on its settings.
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